From: Ultrasound-assisted emulsification microextraction and preconcentration of trace amounts of silver ions as a cyclam complex
Sample
Added (μg mL-1)
Found (μg mL-1)
Recovery (%)
Well water
0.0
0.1
<LODa
0.0943 ± 0.012b
93
Radiological film
0.5
0.575 ± 0.018
1.103 ± 0.016
-
105